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3985875050 = 25279717501
BaseRepresentation
bin1110110110010011…
…1010000001101010
3101021210010102122212
43231210322001222
531130341000200
61455303045122
7200526243653
oct35544720152
911253112585
103985875050
111765a16a13
12932a407a2
134b6a17461
1429b51852a
15184dd5035
hexed93a06a

3985875050 has 12 divisors (see below), whose sum is σ = 7413727686. Its totient is φ = 1594350000.

The previous prime is 3985875013. The next prime is 3985875059. The reversal of 3985875050 is 505785893.

3985875050 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 2947295521 + 1038579529 = 54289^2 + 32227^2 .

It is a Harshad number since it is a multiple of its sum of digits (50), and also a Moran number because the ratio is a prime number: 79717501 = 3985875050 / (3 + 9 + 8 + 5 + 8 + 7 + 5 + 0 + 5 + 0).

It is a self number, because there is not a number n which added to its sum of digits gives 3985875050.

It is not an unprimeable number, because it can be changed into a prime (3985875059) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 39858701 + ... + 39858800.

Almost surely, 23985875050 is an apocalyptic number.

3985875050 is a deficient number, since it is larger than the sum of its proper divisors (3427852636).

3985875050 is a wasteful number, since it uses less digits than its factorization.

3985875050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79717513 (or 79717508 counting only the distinct ones).

The product of its (nonzero) digits is 1512000, while the sum is 50.

The square root of 3985875050 is about 63133.7869131894. The cubic root of 3985875050 is about 1585.5303515673.

The spelling of 3985875050 in words is "three billion, nine hundred eighty-five million, eight hundred seventy-five thousand, fifty".

Divisors: 1 2 5 10 25 50 79717501 159435002 398587505 797175010 1992937525 3985875050